The Shroom Burger, which features a crisp-fried portobello mushroom with melted muenster and cheddar cheeses, topped with lettuce, tomato, and ShackSauce, has 150 more calories, 9 more grams of fat, 25 more grams of carbs, and less protein than the single hamburger.

Veggie Shack burgers have 130 more calories, 5 more grams of fat, 32 more grams of carbs, and also fewer grams of protein than the single hamburger.

The Shroom Burger only beats the single hamburger in terms of sodium, Shroom Burgers only contain 670 milligrams of sodium, while single burgers have 850 milligrams of sodium.

Veggie Burgers have more sodium though, each Veggie Shack contains 1250 milligrams of sodium, which is 400 milligrams more than what a single burger has.

Shake Shack burger calories vary depending on what type of burger you order, there are many options such as single or double cheeseburgers, Shack Stacks, SmokeShacks, Chick’n Shacks, etc.

However, here we’re focusing on the single hamburger which is Shake Shack’s flagship sandwich, because this is the one we love and probably the one you’re looking for. We’ll be adding nutrition facts for more Shake Shack products soon, so make sure to keep coming back to stay updated.

What do you think about the number of calories each Shake Shack burger has? Let us know in the comments below.